#ifdef _WIN64
//define something for Windows (64-bit)
#elif _WIN32
//define something for Windows (32-bit)
#elif __APPLE__
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE
// iOS device
#elif TARGET_IPHONE_SIMULATOR
// iOS Simulator
#elif TARGET_OS_MAC
// Other kinds of Mac OS
#else
// Unsupported platform
#endif
#elif __linux
// linux
#elif __unix // all unices not caught above
// Unix
#elif __posix
// POSIX
#endif

void pauseSystem();


class Ball{
public:
    Ball();
    
    ~Ball();
    
    void setRadius(int);
    
    int getRadius();
    
private:
    int radius;
    
};